Senior Software Engineer - Windows Endpoint Security (C#)
Creative Chaos (company site, opens in a new tab)5+ yrsRemoteDirect career pageEst. 20–35 LPA
Posted 15h ago
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Job description
Structured overview of role & requirements
About This Role
- Own a production Windows endpoint agent in C#/.NET, including installation, updates, resilience, and performance on user devices.
- Build the traffic interception and local TLS proxy layers using WFP/filter drivers; handle certificate trust, protocol edge cases, and coexistence with enterprise security agents.
- Integrate on-device ONNX or comparable models for real-time decisions, and improve field reliability through debugging and measurable reliability reporting.
Minimum Requirements
- Work Experience Required: 5+ years building Windows desktop or system-level software in C#/.NET, including Windows services, Win32 APIs, and P/Invoke.
- Production experience with WFP or filter drivers, TCP/IP, DNS, HTTP/2, TLS 1.2/1.3, and building or maintaining a local proxy.
- Must have shipped an endpoint product that coexisted with Zscaler, Netskope, or a similar SSE/SASE agent on enterprise devices.
- Experience integrating ONNX Runtime or a similar inference engine into a client application and tuning it on real user hardware; must be able to explain a production endpoint agent they shipped.
Ideal Candidate Profile
- Has owned an endpoint agent through production deployment and can discuss its architecture, difficult field issues, and reliability trade-offs.
- Brings practical experience resolving traffic, filter-priority, certificate, and proxy conflicts in enterprise environments with existing security agents.
- Can balance driver-level control, user experience, and on-device inference within endpoint CPU, memory, and latency constraints.